UGG Women's Simmens Leather Boot. 100% Cow Leather WP, Lamb Suede, Pig Leather Imported Dyed Sheep, Fur Origin: Australia Rubber sole Shaft measures approximately 8" from arch Boot opening measures approximately 12" around Waterproof leather and suede upper Seam-sealed and waterproof construction Spider rubber outsole for traction and comfort UGGpure wool insole. The insole is Pedair foam waterguard Medial zipper